PC problems since Mini

I have an Asus router connected to a Netgear 16 port switch. The switch feeds most of the house and one cable goes to my office to a Netgear 5 port switch. My Roamio and Premiere plug into the router. In my office, I have the Mini, my printer and PC in the 5 port switch. I had to set all Tivo devices to static IP to get them to work with each other.
After setting all this up, my Wife's PC couldn't get on the internet. She is plugged into the 16 port. I unplugged the 5 port and rebooted her PC, then it worked. I reconnected the 5 port all was fine for a day. Next day my Office PC was dead slow. I unplugged and reconnected the 5 port and it got better, but then we find hers is slow. More uplugging and restarting and it's better for a while.

Could the mini be hogging all my local bandwidth? Both switches are the 100mbps series, would gigbit models be better?

Happened again just now. My PC is really slow, I run a SPEEDTEST and get 2-3mbps download and over 10 up. I unplug the power form the 5 port switch, reconnect and test again. Now I get 50 mbps download.
Whats going on?

I have an Asus router connected to a Netgear 16 port switch. The switch feeds most of the house and one cable goes to my office to a Netgear 5 port switch. My Roamio and Premiere plug into the router. In my office, I have the Mini, my printer and PC in the 5 port switch. I had to set all Tivo devices to static IP to get them to work with each other.
After setting all this up, my Wife's PC couldn't get on the internet. She is plugged into the 16 port. I unplugged the 5 port and rebooted her PC, then it worked. I reconnected the 5 port all was fine for a day. Next day my Office PC was dead slow. I unplugged and reconnected the 5 port and it got better, but then we find hers is slow. More uplugging and restarting and it's better for a while.

Could the mini be hogging all my local bandwidth? Both switches are the 100mbps series, would gigbit models be better?

Should all my PCs have static IPs? Is there a downside to doing this?

Click to expand...

You shouldn't have needed static IPs on the TiVos in the first place unless something is not right with your network. It is possible that in the process of you manually assigning static IPs to the TiVo devices that you now have a conflict between one of those IPs and another IP on your network which can cause problems similar to what you are describing.

If you are assigning static IPs to the TiVos did you make sure that the DHCP range that the router hands out is not using the same addresses?